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module_param: split perm field into flags and perm

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Impact: cleanup

Rather than hack KPARAM_KMALLOCED into the perm field, separate it out.
Since the perm field was 32 bits and only needs 16, we don't add bloat.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2009-06-12 21:46:56 -06:00
parent 9a71af2c36
commit 45fcc70c0b
2 changed files with 9 additions and 8 deletions
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8
include/linux/moduleparam.h
View file

@ -36,9 +36,13 @@ typedef int (*param_set_fn)(const char *val, struct kernel_param *kp);
/* Returns length written or -errno. Buffer is 4k (ie. be short!) */
typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp);
/* Flag bits for kernel_param.flags */
#define KPARAM_KMALLOCED 1
struct kernel_param {
const char *name;
unsigned int perm;
u16 perm;
u16 flags;
param_set_fn set;
param_get_fn get;
union {
@ -88,7 +92,7 @@ struct kparam_array
static struct kernel_param __moduleparam_const __param_##name \
__used \
__attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
= { __param_str_##name, perm, set, get, { arg } }
= { __param_str_##name, perm, 0, set, get, { arg } }
#define module_param_call(name, set, get, arg, perm) \
__module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm)